The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Aug. 16, 2016
Filed:
Sep. 18, 2013
Applicant:
Blackberry Limited, Waterloo, CA;
Inventors:
Peter Mankowski, Waterloo, CA;
Weimin Rang, Stouffville, CA;
Assignee:
BlackBerry Limited, Waterloo, CA;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G06F 21/32 (2013.01); G06K 9/00 (2006.01); G06F 3/00 (2006.01);
U.S. Cl.
CPC ...
G06K 9/00033 (2013.01); G06F 3/00 (2013.01); G06K 9/00053 (2013.01);
Abstract
A mobile computing device including a biometric scanning interface that changes color in response to a predetermined condition. The biometric scanning interface comprises a layer of heat-sensing elements and a multi-element layer comprising heating elements and thermochromic polymer elements. When the predetermined condition is detected, a driver is adapted to control the thermochromic layer to change color.